Black Hole Entropy: a spacetime foam approach

Details Black Hole Entropy: a spacetime foam approach Black Hole Entropy: a spacetime foam approach

1997-06-11

arxiv.org/abs/gr-qc/9706030v1

Class.Quant.Grav. 14 (1997) 1781-1793

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

23 pages, no figures, postscript file gzipped,to be published in Classical and Quantum Gravity, July 1997

Scientific paper

10.1088/0264-9381/14/7/014

The spacetime foam structure is reviewed briefly (topogical fluctuations and virtual black hole possibility; equation of state of the foam). A model of space foam at the surface of the event horizon is introduced. The model is applied to the calculus of the number of states of a black hole, of its entropy and of other thermodynamical properties. A formula for the number of microholes on the surface of the event horizon is derived. Thermodynamical properties of the event horizon are extended to thermodynamical properties of the space. On the basis of the previous results, the possibility of micro black holes creation by the Unruh Effect is investigated.

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